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Road transport in Brazil is the main logistics system. The obstruction of some highways due to natural causes is a problem that occurs frequently. It is essential to know methods that can stabilize slopes, especially road slopes. This work aims to evaluate the stability of a road slope using established methods proposed by Bishop, Spencer, and Fellenius. The analysis is based on varying the resistant and external parameters that guide the slope under study. Among the various parameters considered in this study, cohesion, specific weight, angle of friction, water level, and road overload on the slope were varied. The analyses were performed using commercial software. After the variations, it was found that the parameters that most influenced the stability of the slope were cohesion and angle of friction. Thus, the greater the soil resistance, the lower the costs with reinforcement elements, making the correct determination of the geotechnical parameters of the profile extremely important.

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